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/*
* $Id: file.c,v 1.92.2.2.2.31.2.13 2005/04/28 09:24:04 didg Exp $
*
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <stdlib.h>
/* STDC check */
#if STDC_HEADERS
#include <string.h>
#else /* STDC_HEADERS */
#ifndef HAVE_STRCHR
#define strchr index
#define strrchr index
#endif /* HAVE_STRCHR */
char *strchr (), *strrchr ();
#ifndef HAVE_MEMCPY
#define memcpy(d,s,n) bcopy ((s), (d), (n))
#define memmove(d,s,n) bcopy ((s), (d), (n))
#endif /* ! HAVE_MEMCPY */
#endif /* STDC_HEADERS */
#include <atalk/adouble.h>
#include <utime.h>
#include <dirent.h>
#include <errno.h>
#include <atalk/logger.h>
#include <sys/param.h>
#include <atalk/afp.h>
#include <atalk/util.h>
#include <atalk/cnid.h>
#include "directory.h"
#include "desktop.h"
#include "volume.h"
#include "fork.h"
#include "file.h"
#include "filedir.h"
#include "globals.h"
#include "unix.h"
/* the format for the finderinfo fields (from IM: Toolbox Essentials):
* field bytes subfield bytes
*
* files:
* ioFlFndrInfo 16 -> type 4 type field
* creator 4 creator field
* flags 2 finder flags:
* alias, bundle, etc.
* location 4 location in window
* folder 2 window that contains file
*
* ioFlXFndrInfo 16 -> iconID 2 icon id
* unused 6 reserved
* script 1 script system
* xflags 1 reserved
* commentID 2 comment id
* putawayID 4 home directory id
*/
const u_char ufinderi[ADEDLEN_FINDERI] = {
0, 0, 0, 0, 0, 0, 0, 0,
1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
};
static const u_char old_ufinderi[] = {
'T', 'E', 'X', 'T', 'U', 'N', 'I', 'X'
};
/* ----------------------
*/
static int default_type(void *finder)
{
if (!memcmp(finder, ufinderi, 8) || !memcmp(finder, old_ufinderi, 8))
return 1;
return 0;
}
/* FIXME path : unix or mac name ? (for now it's unix name ) */
void *get_finderinfo(const char *upath, struct adouble *adp, void *data)
{
struct extmap *em;
void *ad_finder = NULL;
int chk_ext = 0;
if (adp)
ad_finder = ad_entry(adp, ADEID_FINDERI);
if (ad_finder) {
memcpy(data, ad_finder, ADEDLEN_FINDERI);
/* default type ? */
if (default_type(ad_finder))
chk_ext = 1;
}
else {
memcpy(data, ufinderi, ADEDLEN_FINDERI);
chk_ext = 1;
if (*upath == '.') { /* make it invisible */
u_int16_t ashort;
ashort = htons(FINDERINFO_INVISIBLE);
memcpy(data + FINDERINFO_FRFLAGOFF, &ashort, sizeof(ashort));
}
}
/** Only enter if no appledouble information and no finder information found. */
if (chk_ext && (em = getextmap( upath ))) {
memcpy(data, em->em_type, sizeof( em->em_type ));
memcpy((char *)data + 4, em->em_creator, sizeof(em->em_creator));
}
return data;
}
/* ---------------------
*/
char *set_name(const struct vol *vol, char *data, cnid_t pid, char *name, cnid_t id, u_int32_t utf8)
{
u_int32_t aint;
char *tp = NULL;
char *src = name;
aint = strlen( name );
if (!utf8) {
/* want mac name */
if (utf8_encoding()) {
/* but name is an utf8 mac name */
char *u, *m;
/* global static variable... */
tp = strdup(name);
if (!(u = mtoupath(vol, name, pid, 1)) || !(m = utompath(vol, u, id, 0))) {
aint = 0;
}
else {
aint = strlen(m);
src = m;
}
}
if (aint > MACFILELEN)
aint = MACFILELEN;
*data++ = aint;
}
else {
u_int16_t temp;
if (aint > 255) /* FIXME safeguard, anyway if no ascii char it's game over*/
aint = 255;
utf8 = vol->v_mac?htonl(vol->v_mac->kTextEncoding):0; /* htonl(utf8) */
memcpy(data, &utf8, sizeof(utf8));
data += sizeof(utf8);
temp = htons(aint);
memcpy(data, &temp, sizeof(temp));
data += sizeof(temp);
}
memcpy( data, src, aint );
data += aint;
if (tp) {
strcpy(name, tp);
free(tp);
}
return data;
}
/*
* FIXME: PDINFO is UTF8 and doesn't need adp
*/
#define PARAM_NEED_ADP(b) ((b) & ((1 << FILPBIT_ATTR) |\
(1 << FILPBIT_CDATE) |\
(1 << FILPBIT_MDATE) |\
(1 << FILPBIT_BDATE) |\
(1 << FILPBIT_FINFO) |\
(1 << FILPBIT_RFLEN) |\
(1 << FILPBIT_EXTRFLEN) |\
(1 << FILPBIT_PDINFO) |\
(1 << FILPBIT_UNIXPR)))
/* -------------------------- */
u_int32_t get_id(struct vol *vol, struct adouble *adp, const struct stat *st,
const cnid_t did, char *upath, const int len)
{
u_int32_t aint = 0;
#if AD_VERSION > AD_VERSION1
if ((aint = ad_getid(adp, st->st_dev, st->st_ino, did, vol->v_stamp))) {
return aint;
}
#endif
if (vol->v_cdb != NULL) {
aint = cnid_add(vol->v_cdb, st, did, upath, len, aint);
/* Throw errors if cnid_add fails. */
if (aint == CNID_INVALID) {
switch (errno) {
case CNID_ERR_CLOSE: /* the db is closed */
break;
case CNID_ERR_PARAM:
LOG(log_error, logtype_afpd, "get_id: Incorrect parameters passed to cnid_add");
afp_errno = AFPERR_PARAM;
return CNID_INVALID;
case CNID_ERR_PATH:
afp_errno = AFPERR_PARAM;
return CNID_INVALID;
default:
afp_errno = AFPERR_MISC;
return CNID_INVALID;
}
}
#if AD_VERSION > AD_VERSION1
else if (adp ) {
/* update the ressource fork
* for a folder adp is always null
*/
if (ad_setid(adp, st->st_dev, st->st_ino, aint, did, vol->v_stamp)) {
ad_flush(adp, ADFLAGS_HF);
}
}
#endif
}
return aint;
}
/* -------------------------- */
int getmetadata(struct vol *vol,
u_int16_t bitmap,
struct path *path, struct dir *dir,
char *buf, int *buflen, struct adouble *adp, int attrbits )
{
char *data, *l_nameoff = NULL, *upath;
char *utf_nameoff = NULL;
int bit = 0;
u_int32_t aint;
cnid_t id = 0;
u_int16_t ashort;
u_char achar, fdType[4];
u_int32_t utf8 = 0;
struct stat *st;
struct maccess ma;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin getmetadata:");
#endif /* DEBUG */
upath = path->u_name;
st = &path->st;
data = buf;
if ( ((bitmap & ( (1 << FILPBIT_FINFO)|(1 << FILPBIT_LNAME)|(1 <<FILPBIT_PDINFO) ) ) && !path->m_name)
|| (bitmap & ( (1 << FILPBIT_LNAME) ) && utf8_encoding()) /* FIXME should be m_name utf8 filename */
|| (bitmap & (1 << FILPBIT_FNUM))) {
id = get_id(vol, adp, st, dir->d_did, upath, strlen(upath));
if (id == 0)
return afp_errno;
if (!path->m_name) {
path->m_name = utompath(vol, upath, id, utf8_encoding());
}
}
while ( bitmap != 0 ) {
while (( bitmap & 1 ) == 0 ) {
bitmap = bitmap>>1;
bit++;
}
switch ( bit ) {
case FILPBIT_ATTR :
if ( adp ) {
ad_getattr(adp, &ashort);
} else if (*upath == '.') {
ashort = htons(ATTRBIT_INVISIBLE);
} else
ashort = 0;
#if 0
/* FIXME do we want a visual clue if the file is read only
*/
struct maccess ma;
accessmode( ".", &ma, dir , NULL);
if ((ma.ma_user & AR_UWRITE)) {
accessmode( upath, &ma, dir , st);
if (!(ma.ma_user & AR_UWRITE)) {
attrbits |= ATTRBIT_NOWRITE;
}
}
#endif
if (attrbits)
ashort = htons(ntohs(ashort) | attrbits);
memcpy(data, &ashort, sizeof( ashort ));
data += sizeof( ashort );
break;
case FILPBIT_PDID :
memcpy(data, &dir->d_did, sizeof( u_int32_t ));
data += sizeof( u_int32_t );
break;
case FILPBIT_CDATE :
if (!adp || (ad_getdate(adp, AD_DATE_CREATE, &aint) < 0))
aint = AD_DATE_FROM_UNIX(st->st_mtime);
memcpy(data, &aint, sizeof( aint ));
data += sizeof( aint );
break;
case FILPBIT_MDATE :
if ( adp && (ad_getdate(adp, AD_DATE_MODIFY, &aint) == 0)) {
if ((st->st_mtime > AD_DATE_TO_UNIX(aint))) {
aint = AD_DATE_FROM_UNIX(st->st_mtime);
}
} else {
aint = AD_DATE_FROM_UNIX(st->st_mtime);
}
memcpy(data, &aint, sizeof( int ));
data += sizeof( int );
break;
case FILPBIT_BDATE :
if (!adp || (ad_getdate(adp, AD_DATE_BACKUP, &aint) < 0))
aint = AD_DATE_START;
memcpy(data, &aint, sizeof( int ));
data += sizeof( int );
break;
case FILPBIT_FINFO :
get_finderinfo(upath, adp, (char *)data);
data += ADEDLEN_FINDERI;
break;
case FILPBIT_LNAME :
l_nameoff = data;
data += sizeof( u_int16_t );
break;
case FILPBIT_SNAME :
memset(data, 0, sizeof(u_int16_t));
data += sizeof( u_int16_t );
break;
case FILPBIT_FNUM :
memcpy(data, &id, sizeof( id ));
data += sizeof( id );
break;
case FILPBIT_DFLEN :
if (st->st_size > 0xffffffff)
aint = 0xffffffff;
else
aint = htonl( st->st_size );
memcpy(data, &aint, sizeof( aint ));
data += sizeof( aint );
break;
case FILPBIT_RFLEN :
if ( adp ) {
if (adp->ad_rlen > 0xffffffff)
aint = 0xffffffff;
else
aint = htonl( adp->ad_rlen);
} else {
aint = 0;
}
memcpy(data, &aint, sizeof( aint ));
data += sizeof( aint );
break;
/* Current client needs ProDOS info block for this file.
Use simple heuristic and let the Mac "type" string tell
us what the PD file code should be. Everything gets a
subtype of 0x0000 unless the original value was hashed
to "pXYZ" when we created it. See IA, Ver 2.
<shirsch@adelphia.net> */
case FILPBIT_PDINFO :
if (afp_version >= 30) { /* UTF8 name */
utf8 = kTextEncodingUTF8;
utf_nameoff = data;
data += sizeof( u_int16_t );
aint = 0;
memcpy(data, &aint, sizeof( aint ));
data += sizeof( aint );
}
else {
if ( adp ) {
memcpy(fdType, ad_entry( adp, ADEID_FINDERI ), 4 );
if ( memcmp( fdType, "TEXT", 4 ) == 0 ) {
achar = '\x04';
ashort = 0x0000;
}
else if ( memcmp( fdType, "PSYS", 4 ) == 0 ) {
achar = '\xff';
ashort = 0x0000;
}
else if ( memcmp( fdType, "PS16", 4 ) == 0 ) {
achar = '\xb3';
ashort = 0x0000;
}
else if ( memcmp( fdType, "BINA", 4 ) == 0 ) {
achar = '\x00';
ashort = 0x0000;
}
else if ( fdType[0] == 'p' ) {
achar = fdType[1];
ashort = (fdType[2] * 256) + fdType[3];
}
else {
achar = '\x00';
ashort = 0x0000;
}
}
else {
achar = '\x00';
ashort = 0x0000;
}
*data++ = achar;
*data++ = 0;
memcpy(data, &ashort, sizeof( ashort ));
data += sizeof( ashort );
memset(data, 0, sizeof( ashort ));
data += sizeof( ashort );
}
break;
case FILPBIT_EXTDFLEN:
aint = htonl(st->st_size >> 32);
memcpy(data, &aint, sizeof( aint ));
data += sizeof( aint );
aint = htonl(st->st_size);
memcpy(data, &aint, sizeof( aint ));
data += sizeof( aint );
break;
case FILPBIT_EXTRFLEN:
aint = 0;
if (adp)
aint = htonl(adp->ad_rlen >> 32);
memcpy(data, &aint, sizeof( aint ));
data += sizeof( aint );
if (adp)
aint = htonl(adp->ad_rlen);
memcpy(data, &aint, sizeof( aint ));
data += sizeof( aint );
break;
case FILPBIT_UNIXPR :
/* accessmode may change st_mode with ACLs */
accessmode( upath, &ma, dir , st);
aint = htonl(st->st_uid);
memcpy( data, &aint, sizeof( aint ));
data += sizeof( aint );
aint = htonl(st->st_gid);
memcpy( data, &aint, sizeof( aint ));
data += sizeof( aint );
/* FIXME: ugly hack
type == slnk indicates an OSX style symlink,
we have to add S_IFLNK to the mode, otherwise
10.3 clients freak out. */
aint = st->st_mode;
if (adp) {
memcpy(fdType, ad_entry( adp, ADEID_FINDERI ), 4 );
if ( memcmp( fdType, "slnk", 4 ) == 0 ) {
aint |= S_IFLNK;
}
}
aint = htonl(aint);
memcpy( data, &aint, sizeof( aint ));
data += sizeof( aint );
*data++ = ma.ma_user;
*data++ = ma.ma_world;
*data++ = ma.ma_group;
*data++ = ma.ma_owner;
break;
default :
return( AFPERR_BITMAP );
}
bitmap = bitmap>>1;
bit++;
}
if ( l_nameoff ) {
ashort = htons( data - buf );
memcpy(l_nameoff, &ashort, sizeof( ashort ));
data = set_name(vol, data, dir->d_did, path->m_name, id, 0);
}
if ( utf_nameoff ) {
ashort = htons( data - buf );
memcpy(utf_nameoff, &ashort, sizeof( ashort ));
data = set_name(vol, data, dir->d_did, path->m_name, id, utf8);
}
*buflen = data - buf;
return (AFP_OK);
}
/* ----------------------- */
int getfilparams(struct vol *vol,
u_int16_t bitmap,
struct path *path, struct dir *dir,
char *buf, int *buflen )
{
struct adouble ad, *adp;
struct ofork *of;
char *upath;
u_int16_t attrbits = 0;
int opened = 0;
int rc;
#ifdef DEBUG
LOG(log_info, logtype_default, "begin getfilparams:");
#endif /* DEBUG */
opened = PARAM_NEED_ADP(bitmap);
adp = NULL;
if (opened) {
upath = path->u_name;
if ((of = of_findname(path))) {
adp = of->of_ad;
attrbits = ((of->of_ad->ad_df.adf_refcount > 0) ? ATTRBIT_DOPEN : 0);
attrbits |= ((of->of_ad->ad_hf.adf_refcount > of->of_ad->ad_df.adf_refcount)? ATTRBIT_ROPEN : 0);
} else {
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
adp = &ad;
}
if ( ad_metadata( upath, 0, adp) < 0 ) {
switch (errno) {
case EACCES:
LOG(log_error, logtype_afpd, "getfilparams(%s): %s: check resource fork permission?",
upath, strerror(errno));
return AFPERR_ACCESS;
case EIO:
LOG(log_error, logtype_afpd, "getfilparams(%s): bad resource fork", upath);
/* fall through */
case ENOENT:
default:
adp = NULL;
break;
}
}
if (adp) {
/* FIXME
we need to check if the file is open by another process.
it's slow so we only do it if we have to:
- bitmap is requested.
- we don't already have the answer!
*/
if ((bitmap & (1 << FILPBIT_ATTR))) {
if (!(attrbits & ATTRBIT_ROPEN)) {
attrbits |= ad_testlock(adp, ADEID_RFORK, AD_FILELOCK_OPEN_RD) > 0? ATTRBIT_ROPEN : 0;
attrbits |= ad_testlock(adp, ADEID_RFORK, AD_FILELOCK_OPEN_WR) > 0? ATTRBIT_ROPEN : 0;
}
if (!(attrbits & ATTRBIT_DOPEN)) {
attrbits |= ad_testlock(adp, ADEID_DFORK, AD_FILELOCK_OPEN_RD) > 0? ATTRBIT_DOPEN : 0;
attrbits |= ad_testlock(adp, ADEID_DFORK, AD_FILELOCK_OPEN_WR) > 0? ATTRBIT_DOPEN : 0;
}
}
}
}
rc = getmetadata(vol, bitmap, path, dir, buf, buflen, adp, attrbits);
if ( adp ) {
ad_close( adp, ADFLAGS_HF );
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end getfilparams:");
#endif /* DEBUG */
return( rc );
}
/* ----------------------------- */
int afp_createfile(obj, ibuf, ibuflen, rbuf, rbuflen )
AFPObj *obj;
char *ibuf, *rbuf;
int ibuflen, *rbuflen;
{
struct adouble ad, *adp;
struct vol *vol;
struct dir *dir;
struct ofork *of = NULL;
char *path, *upath;
int creatf, did, openf, retvalue = AFP_OK;
u_int16_t vid;
int ret;
struct path *s_path;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin afp_createfile:");
#endif /* DEBUG */
*rbuflen = 0;
ibuf++;
creatf = (unsigned char) *ibuf++;
memcpy(&vid, ibuf, sizeof( vid ));
ibuf += sizeof( vid );
if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM );
}
if (vol->v_flags & AFPVOL_RO)
return AFPERR_VLOCK;
memcpy(&did, ibuf, sizeof( did));
ibuf += sizeof( did );
if (NULL == ( dir = dirlookup( vol, did )) ) {
return afp_errno;
}
if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
return get_afp_errno(AFPERR_PARAM);
}
if ( *s_path->m_name == '\0' ) {
return( AFPERR_BADTYPE );
}
upath = s_path->u_name;
if (0 != (ret = check_name(vol, upath)))
return ret;
/* if upath is deleted we already in trouble anyway */
if ((of = of_findname(s_path))) {
adp = of->of_ad;
} else {
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
adp = &ad;
}
if ( creatf) {
/* on a hard create, fail if file exists and is open */
if (of)
return AFPERR_BUSY;
openf = O_RDWR|O_CREAT|O_TRUNC;
} else {
/* on a soft create, if the file is open then ad_open won't fail
because open syscall is not called
*/
if (of) {
return AFPERR_EXIST;
}
openf = O_RDWR|O_CREAT|O_EXCL;
}
if ( ad_open( upath, vol_noadouble(vol)|ADFLAGS_DF|ADFLAGS_HF|ADFLAGS_NOHF,
openf, 0666, adp) < 0 ) {
switch ( errno ) {
case EROFS:
return AFPERR_VLOCK;
case ENOENT : /* we were already in 'did folder' so chdir() didn't fail */
return ( AFPERR_NOOBJ );
case EEXIST :
return( AFPERR_EXIST );
case EACCES :
return( AFPERR_ACCESS );
default :
return( AFPERR_PARAM );
}
}
if ( ad_hfileno( adp ) == -1 ) {
/* on noadouble volumes, just creating the data fork is ok */
if (vol_noadouble(vol)) {
ad_close( adp, ADFLAGS_DF );
goto createfile_done;
}
/* FIXME with hard create on an existing file, we already
* corrupted the data file.
*/
netatalk_unlink( upath );
ad_close( adp, ADFLAGS_DF );
return AFPERR_ACCESS;
}
path = s_path->m_name;
ad_setname(adp, path);
ad_flush( adp, ADFLAGS_DF|ADFLAGS_HF );
ad_close( adp, ADFLAGS_DF|ADFLAGS_HF );
createfile_done:
curdir->offcnt++;
#ifdef DROPKLUDGE
if (vol->v_flags & AFPVOL_DROPBOX) {
retvalue = matchfile2dirperms(upath, vol, did);
}
#endif /* DROPKLUDGE */
setvoltime(obj, vol );
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end afp_createfile");
#endif /* DEBUG */
return (retvalue);
}
int afp_setfilparams(obj, ibuf, ibuflen, rbuf, rbuflen )
AFPObj *obj;
char *ibuf, *rbuf;
int ibuflen, *rbuflen;
{
struct vol *vol;
struct dir *dir;
struct path *s_path;
int did, rc;
u_int16_t vid, bitmap;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin afp_setfilparams:");
#endif /* DEBUG */
*rbuflen = 0;
ibuf += 2;
memcpy(&vid, ibuf, sizeof( vid ));
ibuf += sizeof( vid );
if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM );
}
if (vol->v_flags & AFPVOL_RO)
return AFPERR_VLOCK;
memcpy(&did, ibuf, sizeof( did ));
ibuf += sizeof( did );
if (NULL == ( dir = dirlookup( vol, did )) ) {
return afp_errno; /* was AFPERR_NOOBJ */
}
memcpy(&bitmap, ibuf, sizeof( bitmap ));
bitmap = ntohs( bitmap );
ibuf += sizeof( bitmap );
if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
return get_afp_errno(AFPERR_PARAM);
}
if (path_isadir(s_path)) {
return( AFPERR_BADTYPE ); /* it's a directory */
}
if ( s_path->st_errno != 0 ) {
return( AFPERR_NOOBJ );
}
if ((u_long)ibuf & 1 ) {
ibuf++;
}
if (AFP_OK == ( rc = setfilparams(vol, s_path, bitmap, ibuf )) ) {
setvoltime(obj, vol );
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end afp_setfilparams:");
#endif /* DEBUG */
return( rc );
}
/*
* cf AFP3.0.pdf page 252 for change_mdate and change_parent_mdate logic
*
*/
extern struct path Cur_Path;
int setfilparams(struct vol *vol,
struct path *path, u_int16_t f_bitmap, char *buf )
{
struct adouble ad, *adp;
struct extmap *em;
int bit, isad = 1, err = AFP_OK;
char *upath;
u_char achar, *fdType, xyy[4]; /* uninitialized, OK 310105 */
u_int16_t ashort, bshort;
u_int32_t aint;
u_int32_t upriv;
u_int16_t upriv_bit = 0;
struct utimbuf ut;
int change_mdate = 0;
int change_parent_mdate = 0;
int newdate = 0;
struct timeval tv;
uid_t f_uid;
gid_t f_gid;
u_int16_t bitmap = f_bitmap;
u_int32_t cdate,bdate;
u_char finder_buf[32];
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin setfilparams:");
#endif /* DEBUG */
upath = path->u_name;
adp = of_ad(vol, path, &ad);
if (!vol_unix_priv(vol) && check_access(upath, OPENACC_WR ) < 0) {
return AFPERR_ACCESS;
}
/* with unix priv maybe we have to change adouble file priv first */
bit = 0;
while ( bitmap != 0 ) {
while (( bitmap & 1 ) == 0 ) {
bitmap = bitmap>>1;
bit++;
}
switch( bit ) {
case FILPBIT_ATTR :
change_mdate = 1;
memcpy(&ashort, buf, sizeof( ashort ));
buf += sizeof( ashort );
break;
case FILPBIT_CDATE :
change_mdate = 1;
memcpy(&cdate, buf, sizeof(cdate));
buf += sizeof( cdate );
break;
case FILPBIT_MDATE :
memcpy(&newdate, buf, sizeof( newdate ));
buf += sizeof( newdate );
break;
case FILPBIT_BDATE :
change_mdate = 1;
memcpy(&bdate, buf, sizeof( bdate));
buf += sizeof( bdate );
break;
case FILPBIT_FINFO :
change_mdate = 1;
memcpy(finder_buf, buf, 32 );
buf += 32;
break;
case FILPBIT_UNIXPR :
if (!vol_unix_priv(vol)) {
/* this volume doesn't use unix priv */
err = AFPERR_BITMAP;
bitmap = 0;
break;
}
change_mdate = 1;
change_parent_mdate = 1;
memcpy( &aint, buf, sizeof( aint ));
f_uid = ntohl (aint);
buf += sizeof( aint );
memcpy( &aint, buf, sizeof( aint ));
f_gid = ntohl (aint);
buf += sizeof( aint );
setfilowner(vol, f_uid, f_gid, path);
memcpy( &upriv, buf, sizeof( upriv ));
buf += sizeof( upriv );
upriv = ntohl (upriv);
if ((upriv & S_IWUSR)) {
setfilunixmode(vol, path, upriv);
}
else {
/* do it later */
upriv_bit = 1;
}
break;
case FILPBIT_PDINFO :
if (afp_version < 30) { /* else it's UTF8 name */
achar = *buf;
buf += 2;
/* Keep special case to support crlf translations */
if ((unsigned int) achar == 0x04) {
fdType = (u_char *)"TEXT";
buf += 2;
} else {
xyy[0] = ( u_char ) 'p';
xyy[1] = achar;
xyy[3] = *buf++;
xyy[2] = *buf++;
fdType = xyy;
}
break;
}
/* fallthrough */
default :
err = AFPERR_BITMAP;
/* break while loop */
bitmap = 0;
break;
}
bitmap = bitmap>>1;
bit++;
}
/* second try with adouble open
*/
if (ad_open( upath, vol_noadouble(vol) | ADFLAGS_HF,
O_RDWR|O_CREAT, 0666, adp) < 0) {
/* for some things, we don't need an adouble header */
if (f_bitmap & ~(1<<FILPBIT_MDATE)) {
return vol_noadouble(vol) ? AFP_OK : AFPERR_ACCESS;
}
isad = 0;
} else if ((ad_get_HF_flags( adp ) & O_CREAT) ) {
ad_setname(adp, path->m_name);
}
bit = 0;
bitmap = f_bitmap;
while ( bitmap != 0 ) {
while (( bitmap & 1 ) == 0 ) {
bitmap = bitmap>>1;
bit++;
}
switch( bit ) {
case FILPBIT_ATTR :
ad_getattr(adp, &bshort);
if ((bshort & htons(ATTRBIT_INVISIBLE)) !=
(ashort & htons(ATTRBIT_INVISIBLE) & htons(ATTRBIT_SETCLR)) )
change_parent_mdate = 1;
if ( ntohs( ashort ) & ATTRBIT_SETCLR ) {
bshort |= htons( ntohs( ashort ) & ~ATTRBIT_SETCLR );
} else {
bshort &= ~ashort;
}
ad_setattr(adp, bshort);
break;
case FILPBIT_CDATE :
ad_setdate(adp, AD_DATE_CREATE, cdate);
break;
case FILPBIT_MDATE :
break;
case FILPBIT_BDATE :
ad_setdate(adp, AD_DATE_BACKUP, bdate);
break;
case FILPBIT_FINFO :
if (default_type( ad_entry( adp, ADEID_FINDERI ))
&& (
((em = getextmap( path->m_name )) &&
!memcmp(finder_buf, em->em_type, sizeof( em->em_type )) &&
!memcmp(finder_buf + 4, em->em_creator,sizeof( em->em_creator)))
|| ((em = getdefextmap()) &&
!memcmp(finder_buf, em->em_type, sizeof( em->em_type )) &&
!memcmp(finder_buf + 4, em->em_creator,sizeof( em->em_creator)))
)) {
memcpy(finder_buf, ufinderi, 8 );
}
memcpy(ad_entry( adp, ADEID_FINDERI ), finder_buf, 32 );
break;
case FILPBIT_UNIXPR :
if (upriv_bit) {
setfilunixmode(vol, path, upriv);
}
break;
case FILPBIT_PDINFO :
if (afp_version < 30) { /* else it's UTF8 name */
memcpy(ad_entry( adp, ADEID_FINDERI ), fdType, 4 );
memcpy(ad_entry( adp, ADEID_FINDERI ) + 4, "pdos", 4 );
break;
}
/* fallthrough */
default :
err = AFPERR_BITMAP;
goto setfilparam_done;
}
bitmap = bitmap>>1;
bit++;
}
setfilparam_done:
if (change_mdate && newdate == 0 && gettimeofday(&tv, NULL) == 0) {
newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
}
if (newdate) {
if (isad)
ad_setdate(adp, AD_DATE_MODIFY, newdate);
ut.actime = ut.modtime = AD_DATE_TO_UNIX(newdate);
utime(upath, &ut);
}
if (isad) {
ad_flush( adp, ADFLAGS_HF );
ad_close( adp, ADFLAGS_HF );
}
if (change_parent_mdate && gettimeofday(&tv, NULL) == 0) {
newdate = AD_DATE_FROM_UNIX(tv.tv_sec);
bitmap = 1<<FILPBIT_MDATE;
setdirparams(vol, &Cur_Path, bitmap, (char *)&newdate);
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end setfilparams:");
#endif /* DEBUG */
return err;
}
/*
* renamefile and copyfile take the old and new unix pathnames
* and the new mac name.
*
* src the source path
* dst the dest filename in current dir
* newname the dest mac name
* adp adouble struct of src file, if open, or & zeroed one
*
*/
int renamefile(vol, src, dst, newname, adp )
const struct vol *vol;
char *src, *dst, *newname;
struct adouble *adp;
{
char adsrc[ MAXPATHLEN + 1];
int rc;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin renamefile:");
#endif /* DEBUG */
if ( unix_rename( src, dst ) < 0 ) {
switch ( errno ) {
case ENOENT :
return( AFPERR_NOOBJ );
case EPERM:
case EACCES :
return( AFPERR_ACCESS );
case EROFS:
return AFPERR_VLOCK;
case EXDEV : /* Cross device move -- try copy */
/* NOTE: with open file it's an error because after the copy we will
* get two files, it's fixable for our process (eg reopen the new file, get the
* locks, and so on. But it doesn't solve the case with a second process
*/
if (adp->ad_df.adf_refcount || adp->ad_hf.adf_refcount) {
/* FIXME warning in syslog so admin'd know there's a conflict ?*/
return AFPERR_OLOCK; /* little lie */
}
if (AFP_OK != ( rc = copyfile(vol, vol, src, dst, newname, NULL )) ) {
/* on error copyfile delete dest */
return( rc );
}
return deletefile(vol, src, 0);
default :
return( AFPERR_PARAM );
}
}
strcpy( adsrc, vol->ad_path( src, 0 ));
if (unix_rename( adsrc, vol->ad_path( dst, 0 )) < 0 ) {
struct stat st;
int err;
err = errno;
if (errno == ENOENT) {
struct adouble ad;
if (stat(adsrc, &st)) /* source has no ressource fork, */
return AFP_OK;
/* We are here because :
* -there's no dest folder.
* -there's no .AppleDouble in the dest folder.
* if we use the struct adouble passed in parameter it will not
* create .AppleDouble if the file is already opened, so we
* use a diff one, it's not a pb,ie it's not the same file, yet.
*/
ad_init(&ad, vol->v_adouble, vol->v_ad_options);
if (!ad_open(dst, ADFLAGS_HF, O_RDWR | O_CREAT, 0666, &ad)) {
ad_close(&ad, ADFLAGS_HF);
if (!unix_rename( adsrc, vol->ad_path( dst, 0 )) )
err = 0;
else
err = errno;
}
else { /* it's something else, bail out */
err = errno;
}
}
/* try to undo the data fork rename,
* we know we are on the same device
*/
if (err) {
unix_rename( dst, src );
/* return the first error */
switch ( err) {
case ENOENT :
return AFPERR_NOOBJ;
case EPERM:
case EACCES :
return AFPERR_ACCESS ;
case EROFS:
return AFPERR_VLOCK;
default :
return AFPERR_PARAM ;
}
}
}
/* don't care if we can't open the newly renamed ressource fork
*/
if (!ad_open( dst, ADFLAGS_HF, O_RDWR, 0666, adp)) {
ad_setname(adp, newname);
ad_flush( adp, ADFLAGS_HF );
ad_close( adp, ADFLAGS_HF );
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end renamefile:");
#endif /* DEBUG */
return( AFP_OK );
}
/* ----------------
convert a Mac long name to an utf8 name,
*/
size_t mtoUTF8(const struct vol *vol, const char *src, size_t srclen, char *dest, size_t destlen)
{
size_t outlen;
if ((size_t)-1 == (outlen = convert_string ( vol->v_maccharset, CH_UTF8_MAC, src, srclen, dest, destlen)) ) {
return -1;
}
return outlen;
}
/* ---------------- */
int copy_path_name(const struct vol *vol, char *newname, char *ibuf)
{
char type = *ibuf;
size_t plen = 0;
u_int16_t len16;
u_int32_t hint;
if ( type != 2 && !(afp_version >= 30 && type == 3) ) {
return -1;
}
ibuf++;
switch (type) {
case 2:
if (( plen = (unsigned char)*ibuf++ ) != 0 ) {
if (afp_version >= 30) {
/* convert it to UTF8
*/
if ((plen = mtoUTF8(vol, ibuf, plen, newname, AFPOBJ_TMPSIZ)) == (size_t)-1)
return -1;
}
else {
strncpy( newname, ibuf, plen );
newname[ plen ] = '\0';
}
if (strlen(newname) != plen) {
/* there's \0 in newname, e.g. it's a pathname not
* only a filename.
*/
return -1;
}
}
break;
case 3:
memcpy(&hint, ibuf, sizeof(hint));
ibuf += sizeof(hint);
memcpy(&len16, ibuf, sizeof(len16));
ibuf += sizeof(len16);
plen = ntohs(len16);
if (plen) {
if (plen > AFPOBJ_TMPSIZ) {
return -1;
}
strncpy( newname, ibuf, plen );
newname[ plen ] = '\0';
if (strlen(newname) != plen) {
return -1;
}
}
break;
}
return plen;
}
/* -----------------------------------
*/
int afp_copyfile(obj, ibuf, ibuflen, rbuf, rbuflen )
AFPObj *obj;
char *ibuf, *rbuf;
int ibuflen, *rbuflen;
{
struct vol *s_vol, *d_vol;
struct dir *dir;
char *newname, *p, *upath;
struct path *s_path;
u_int32_t sdid, ddid;
int err, retvalue = AFP_OK;
u_int16_t svid, dvid;
struct adouble ad, *adp;
int denyreadset;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin afp_copyfile:");
#endif /* DEBUG */
*rbuflen = 0;
ibuf += 2;
memcpy(&svid, ibuf, sizeof( svid ));
ibuf += sizeof( svid );
if (NULL == ( s_vol = getvolbyvid( svid )) ) {
return( AFPERR_PARAM );
}
memcpy(&sdid, ibuf, sizeof( sdid ));
ibuf += sizeof( sdid );
if (NULL == ( dir = dirlookup( s_vol, sdid )) ) {
return afp_errno;
}
memcpy(&dvid, ibuf, sizeof( dvid ));
ibuf += sizeof( dvid );
memcpy(&ddid, ibuf, sizeof( ddid ));
ibuf += sizeof( ddid );
if (NULL == ( s_path = cname( s_vol, dir, &ibuf )) ) {
return get_afp_errno(AFPERR_PARAM);
}
if ( path_isadir(s_path) ) {
return( AFPERR_BADTYPE );
}
/* don't allow copies when the file is open.
* XXX: the spec only calls for read/deny write access.
* however, copyfile doesn't have any of that info,
* and locks need to stay coherent. as a result,
* we just balk if the file is opened already. */
adp = of_ad(s_vol, s_path, &ad);
if (ad_open(s_path->u_name , ADFLAGS_DF |ADFLAGS_HF | ADFLAGS_NOHF, O_RDONLY, 0, adp) < 0) {
return AFPERR_DENYCONF;
}
denyreadset = (getforkmode(adp, ADEID_DFORK, AD_FILELOCK_DENY_RD) != 0 ||
getforkmode(adp, ADEID_RFORK, AD_FILELOCK_DENY_RD) != 0 );
ad_close( adp, ADFLAGS_DF |ADFLAGS_HF );
if (denyreadset) {
return AFPERR_DENYCONF;
}
newname = obj->newtmp;
strcpy( newname, s_path->m_name );
p = ctoupath( s_vol, curdir, newname );
if (!p) {
return AFPERR_PARAM;
}
#ifdef FORCE_UIDGID
/* FIXME svid != dvid && dvid's user can't read svid */
#endif
if (NULL == ( d_vol = getvolbyvid( dvid )) ) {
return( AFPERR_PARAM );
}
if (d_vol->v_flags & AFPVOL_RO)
return AFPERR_VLOCK;
if (NULL == ( dir = dirlookup( d_vol, ddid )) ) {
return afp_errno;
}
if (( s_path = cname( d_vol, dir, &ibuf )) == NULL ) {
return get_afp_errno(AFPERR_NOOBJ);
}
if ( *s_path->m_name != '\0' ) {
path_error(s_path, AFPERR_PARAM);
}
/* one of the handful of places that knows about the path type */
if (copy_path_name(d_vol, newname, ibuf) < 0) {
return( AFPERR_PARAM );
}
/* newname is always only a filename so curdir *is* its
* parent folder
*/
if (NULL == (upath = mtoupath(d_vol, newname, curdir->d_did, utf8_encoding()))) {
return( AFPERR_PARAM );
}
if ( (err = copyfile(s_vol, d_vol, p, upath , newname, adp)) < 0 ) {
return err;
}
curdir->offcnt++;
#ifdef DROPKLUDGE
if (vol->v_flags & AFPVOL_DROPBOX) {
retvalue=matchfile2dirperms(upath, vol, ddid); /* FIXME sdir or ddid */
}
#endif /* DROPKLUDGE */
setvoltime(obj, d_vol );
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end afp_copyfile:");
#endif /* DEBUG */
return( retvalue );
}
/* ----------------------- */
static __inline__ int copy_all(const int dfd, const void *buf,
size_t buflen)
{
ssize_t cc;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin copy_all:");
#endif /* DEBUG */
while (buflen > 0) {
if ((cc = write(dfd, buf, buflen)) < 0) {
switch (errno) {
case EINTR:
continue;
default:
return -1;
}
}
buflen -= cc;
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end copy_all:");
#endif /* DEBUG */
return 0;
}
/* -------------------------- */
static int copy_fd(int dfd, int sfd)
{
ssize_t cc;
int err = 0;
char filebuf[8192];
#if 0 /* ifdef SENDFILE_FLAVOR_LINUX */
/* doesn't work With 2.6 FIXME, only check for EBADFD ? */
off_t offset = 0;
size_t size;
struct stat st;
#define BUF 128*1024*1024
if (fstat(sfd, &st) == 0) {
while (1) {
if ( offset >= st.st_size) {
return 0;
}
size = (st.st_size -offset > BUF)?BUF:st.st_size -offset;
if ((cc = sys_sendfile(dfd, sfd, &offset, size)) < 0) {
switch (errno) {
case ENOSYS:
case EINVAL: /* there's no guarantee that all fs support sendfile */
goto no_sendfile;
default:
return -1;
}
}
}
}
no_sendfile:
lseek(sfd, offset, SEEK_SET);
#endif
while (1) {
if ((cc = read(sfd, filebuf, sizeof(filebuf))) < 0) {
if (errno == EINTR)
continue;
err = -1;
break;
}
if (!cc || ((err = copy_all(dfd, filebuf, cc)) < 0)) {
break;
}
}
return err;
}
/* ----------------------------------
* if newname is NULL (from directory.c) we don't want to copy ressource fork.
* because we are doing it elsewhere.
*/
int copyfile(s_vol, d_vol, src, dst, newname, adp )
const struct vol *s_vol, *d_vol;
char *src, *dst, *newname;
struct adouble *adp;
{
struct adouble ads, add;
int err = 0;
int ret_err = 0;
int adflags;
int noadouble = vol_noadouble(d_vol);
struct stat st;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin copyfile:");
#endif /* DEBUG */
if (adp == NULL) {
ad_init(&ads, s_vol->v_adouble, s_vol->v_ad_options);
adp = &ads;
}
ad_init(&add, d_vol->v_adouble, d_vol->v_ad_options);
adflags = ADFLAGS_DF;
if (newname) {
adflags |= ADFLAGS_HF;
}
if (ad_open(src , adflags | ADFLAGS_NOHF, O_RDONLY, 0, adp) < 0) {
ret_err = errno;
goto done;
}
if (ad_hfileno(adp) == -1) {
/* no resource fork, don't create one for dst file */
adflags &= ~ADFLAGS_HF;
}
if (ad_open(dst , adflags | noadouble, O_RDWR|O_CREAT|O_EXCL, 0666, &add) < 0) {
ret_err = errno;
ad_close( adp, adflags );
if (EEXIST != ret_err) {
deletefile(d_vol, dst, 0);
goto done;
}
return AFPERR_EXIST;
}
if (ad_hfileno(adp) == -1 || 0 == (err = copy_fd(ad_hfileno(&add), ad_hfileno(adp)))){
/* copy the data fork */
err = copy_fd(ad_dfileno(&add), ad_dfileno(adp));
}
/* Now, reopen destination file */
if (err < 0) {
ret_err = errno;
}
ad_close( adp, adflags );
if (ad_close( &add, adflags ) <0) {
deletefile(d_vol, dst, 0);
ret_err = errno;
goto done;
}
else {
ad_init(&add, d_vol->v_adouble, d_vol->v_ad_options);
if (ad_open(dst , adflags | noadouble, O_RDWR, 0666, &add) < 0) {
ret_err = errno;
}
}
if (!ret_err && newname) {
ad_setname(&add, newname);
}
ad_flush( &add, adflags );
if (ad_close( &add, adflags ) <0) {
ret_err = errno;
}
if (ret_err) {
deletefile(d_vol, dst, 0);
}
else if (!stat(src, &st)) {
/* set dest modification date to src date */
struct utimbuf ut;
ut.actime = ut.modtime = st.st_mtime;
utime(dst, &ut);
/* FIXME netatalk doesn't use resource fork file date
* but maybe we should set its modtime too.
*/
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end copyfile:");
#endif /* DEBUG */
done:
switch ( ret_err ) {
case 0:
return AFP_OK;
case EDQUOT:
case EFBIG:
case ENOSPC:
return AFPERR_DFULL;
case ENOENT:
return AFPERR_NOOBJ;
case EACCES:
return AFPERR_ACCESS;
case EROFS:
return AFPERR_VLOCK;
}
return AFPERR_PARAM;
}
/* -----------------------------------
vol: not NULL delete cnid entry. then we are in curdir and file is a only filename
checkAttrib: 1 check kFPDeleteInhibitBit (deletfile called by afp_delete)
when deletefile is called we don't have lock on it, file is closed (for us)
untrue if called by renamefile
ad_open always try to open file RDWR first and ad_lock takes care of
WRITE lock on read only file.
*/
int deletefile( vol, file, checkAttrib )
const struct vol *vol;
char *file;
int checkAttrib;
{
struct adouble ad;
struct adouble *adp = &ad;
int adflags, err = AFP_OK;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin deletefile:");
#endif /* DEBUG */
/* try to open both forks at once */
adflags = ADFLAGS_DF|ADFLAGS_HF;
ad_init(&ad, vol->v_adouble, vol->v_ad_options); /* OK */
while(1) {
if ( ad_open( file, adflags, O_RDONLY, 0, &ad ) < 0 ) {
switch (errno) {
case ENOENT:
if (adflags == ADFLAGS_DF)
return AFPERR_NOOBJ;
/* that failed. now try to open just the data fork */
adflags = ADFLAGS_DF;
continue;
case EACCES:
adp = NULL; /* maybe it's a file we no rw mode for us */
break; /* was return AFPERR_ACCESS;*/
case EROFS:
return AFPERR_VLOCK;
default:
return( AFPERR_PARAM );
}
}
break; /* from the while */
}
/*
* Does kFPDeleteInhibitBit (bit 8) set?
*/
if (checkAttrib) {
u_int16_t bshort;
if (adp && (adflags & ADFLAGS_HF)) {
ad_getattr(&ad, &bshort);
if ((bshort & htons(ATTRBIT_NODELETE))) {
ad_close( &ad, adflags );
return(AFPERR_OLOCK);
}
}
else if (!adp) {
/* was EACCESS error try to get only metadata */
ad_init(&ad, vol->v_adouble, vol->v_ad_options); /* OK */
if ( ad_metadata( file , 0, &ad) == 0 ) {
ad_getattr(&ad, &bshort);
ad_close( &ad, ADFLAGS_HF );
if ((bshort & htons(ATTRBIT_NODELETE))) {
return AFPERR_OLOCK;
}
}
}
}
if (adp && (adflags & ADFLAGS_HF) ) {
/* FIXME we have a pb here because we want to know if a file is open
* there's a 'priority inversion' if you can't open the ressource fork RW
* you can delete it if it's open because you can't get a write lock.
*
* ADLOCK_FILELOCK means the whole ressource fork, not only after the
* metadatas
*
* FIXME it doesn't work for RFORK open read only and fork open without deny mode
*/
if (ad_tmplock(&ad, ADEID_RFORK, ADLOCK_WR |ADLOCK_FILELOCK, 0, 0, 0) < 0 ) {
ad_close( &ad, adflags );
return( AFPERR_BUSY );
}
}
if (adp && ad_tmplock( &ad, ADEID_DFORK, ADLOCK_WR, 0, 0, 0 ) < 0) {
err = AFPERR_BUSY;
}
else if (!(err = netatalk_unlink( vol->ad_path( file, ADFLAGS_HF)) ) &&
!(err = netatalk_unlink( file )) ) {
cnid_t id;
if (checkAttrib && (id = cnid_get(vol->v_cdb, curdir->d_did, file, strlen(file))))
{
cnid_delete(vol->v_cdb, id);
}
}
if (adp)
ad_close( &ad, adflags ); /* ad_close removes locks if any */
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end deletefile:");
#endif /* DEBUG */
return err;
}
/* ------------------------------------ */
/* return a file id */
int afp_createid(obj, ibuf, ibuflen, rbuf, rbuflen )
AFPObj *obj;
char *ibuf, *rbuf;
int ibuflen, *rbuflen;
{
struct stat *st;
struct vol *vol;
struct dir *dir;
char *upath;
int len;
cnid_t did, id;
u_short vid;
struct path *s_path;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin afp_createid:");
#endif /* DEBUG */
*rbuflen = 0;
ibuf += 2;
memcpy(&vid, ibuf, sizeof(vid));
ibuf += sizeof(vid);
if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM);
}
if (vol->v_cdb == NULL || !(vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
return AFPERR_NOOP;
}
if (vol->v_flags & AFPVOL_RO)
return AFPERR_VLOCK;
memcpy(&did, ibuf, sizeof( did ));
ibuf += sizeof(did);
if (NULL == ( dir = dirlookup( vol, did )) ) {
return afp_errno; /* was AFPERR_PARAM */
}
if (NULL == ( s_path = cname( vol, dir, &ibuf )) ) {
return get_afp_errno(AFPERR_NOOBJ); /* was AFPERR_PARAM */
}
if ( path_isadir(s_path) ) {
return( AFPERR_BADTYPE );
}
upath = s_path->u_name;
switch (s_path->st_errno) {
case 0:
break; /* success */
case EPERM:
case EACCES:
return AFPERR_ACCESS;
case ENOENT:
return AFPERR_NOOBJ;
default:
return AFPERR_PARAM;
}
st = &s_path->st;
if ((id = cnid_lookup(vol->v_cdb, st, did, upath, len = strlen(upath)))) {
memcpy(rbuf, &id, sizeof(id));
*rbuflen = sizeof(id);
return AFPERR_EXISTID;
}
if ((id = get_id(vol, NULL, st, did, upath, len)) != CNID_INVALID) {
memcpy(rbuf, &id, sizeof(id));
*rbuflen = sizeof(id);
return AFP_OK;
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "ending afp_createid...:");
#endif /* DEBUG */
return afp_errno;
}
static int
reenumerate_id(const struct vol *vol, char *name, cnid_t did)
{
DIR *dp;
struct dirent *de;
int ret;
cnid_t aint;
struct path path;
memset(&path, 0, sizeof(path));
if (vol->v_cdb == NULL) {
return -1;
}
if (NULL == ( dp = opendir( name)) ) {
return -1;
}
ret = 0;
for ( de = readdir( dp ); de != NULL; de = readdir( dp )) {
if (NULL == check_dirent(vol, de->d_name))
continue;
if ( stat(de->d_name, &path.st)<0 )
continue;
/* update or add to cnid */
aint = cnid_add(vol->v_cdb, &path.st, did, de->d_name, strlen(de->d_name), 0); /* ignore errors */
#if AD_VERSION > AD_VERSION1
if (aint != CNID_INVALID && !S_ISDIR(path.st.st_mode)) {
struct adouble ad, *adp;
path.st_errno = 0;
path.st_valid = 1;
path.u_name = de->d_name;
adp = of_ad(vol, &path, &ad);
if ( ad_open( de->d_name, ADFLAGS_HF, O_RDWR, 0, adp ) < 0 ) {
continue;
}
if (ad_setid(adp, path.st.st_dev, path.st.st_ino, aint, did, vol->v_stamp)) {
ad_flush(adp, ADFLAGS_HF);
}
ad_close(adp, ADFLAGS_HF);
}
#endif /* AD_VERSION > AD_VERSION1 */
ret++;
}
closedir(dp);
return ret;
}
/* ------------------------------
resolve a file id */
int afp_resolveid(obj, ibuf, ibuflen, rbuf, rbuflen )
AFPObj *obj;
char *ibuf, *rbuf;
int ibuflen, *rbuflen;
{
struct vol *vol;
struct dir *dir;
char *upath;
struct path path;
int err, buflen, retry=0;
cnid_t id, cnid;
u_int16_t vid, bitmap;
static char buffer[12 + MAXPATHLEN + 1];
int len = 12 + MAXPATHLEN + 1;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin afp_resolveid:");
#endif /* DEBUG */
*rbuflen = 0;
ibuf += 2;
memcpy(&vid, ibuf, sizeof(vid));
ibuf += sizeof(vid);
if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM);
}
if (vol->v_cdb == NULL || !(vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
return AFPERR_NOOP;
}
memcpy(&id, ibuf, sizeof( id ));
ibuf += sizeof(id);
cnid = id;
if (!id) {
/* some MacOS versions after a catsearch do a *lot* of afp_resolveid with 0 */
return AFPERR_NOID;
}
retry:
if (NULL == (upath = cnid_resolve(vol->v_cdb, &id, buffer, len)) ) {
return AFPERR_NOID; /* was AFPERR_BADID, but help older Macs */
}
if (NULL == ( dir = dirlookup( vol, id )) ) {
return AFPERR_NOID; /* idem AFPERR_PARAM */
}
path.u_name = upath;
if (movecwd(vol, dir) < 0) {
switch (errno) {
case EACCES:
case EPERM:
return AFPERR_ACCESS;
case ENOENT:
return AFPERR_NOID;
default:
return AFPERR_PARAM;
}
}
if ( of_stat(&path) < 0 ) {
#ifdef ESTALE
/* with nfs and our working directory is deleted */
if (errno == ESTALE) {
errno = ENOENT;
}
#endif
if ( errno == ENOENT && !retry) {
/* cnid db is out of sync, reenumerate the directory and updated ids */
reenumerate_id(vol, ".", id);
id = cnid;
retry = 1;
goto retry;
}
switch (errno) {
case EACCES:
case EPERM:
return AFPERR_ACCESS;
case ENOENT:
return AFPERR_NOID;
default:
return AFPERR_PARAM;
}
}
/* directories are bad */
if (S_ISDIR(path.st.st_mode))
return AFPERR_BADTYPE;
memcpy(&bitmap, ibuf, sizeof(bitmap));
bitmap = ntohs( bitmap );
if (NULL == (path.m_name = utompath(vol, upath, cnid, utf8_encoding()))) {
return AFPERR_NOID;
}
if (AFP_OK != (err = getfilparams(vol, bitmap, &path , curdir,
rbuf + sizeof(bitmap), &buflen))) {
return err;
}
*rbuflen = buflen + sizeof(bitmap);
memcpy(rbuf, ibuf, sizeof(bitmap));
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end afp_resolveid:");
#endif /* DEBUG */
return AFP_OK;
}
/* ------------------------------ */
int afp_deleteid(obj, ibuf, ibuflen, rbuf, rbuflen )
AFPObj *obj;
char *ibuf, *rbuf;
int ibuflen, *rbuflen;
{
struct stat st;
struct vol *vol;
struct dir *dir;
char *upath;
int err;
cnid_t id;
cnid_t fileid;
u_short vid;
static char buffer[12 + MAXPATHLEN + 1];
int len = 12 + MAXPATHLEN + 1;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin afp_deleteid:");
#endif /* DEBUG */
*rbuflen = 0;
ibuf += 2;
memcpy(&vid, ibuf, sizeof(vid));
ibuf += sizeof(vid);
if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM);
}
if (vol->v_cdb == NULL || !(vol->v_cdb->flags & CNID_FLAG_PERSISTENT)) {
return AFPERR_NOOP;
}
if (vol->v_flags & AFPVOL_RO)
return AFPERR_VLOCK;
memcpy(&id, ibuf, sizeof( id ));
ibuf += sizeof(id);
fileid = id;
if (NULL == (upath = cnid_resolve(vol->v_cdb, &id, buffer, len)) ) {
return AFPERR_NOID;
}
if (NULL == ( dir = dirlookup( vol, id )) ) {
return( AFPERR_PARAM );
}
err = AFP_OK;
if ((movecwd(vol, dir) < 0) || (stat(upath, &st) < 0)) {
switch (errno) {
case EACCES:
case EPERM:
return AFPERR_ACCESS;
#ifdef ESTALE
case ESTALE:
#endif
case ENOENT:
/* still try to delete the id */
err = AFPERR_NOOBJ;
break;
default:
return AFPERR_PARAM;
}
}
else if (S_ISDIR(st.st_mode)) /* directories are bad */
return AFPERR_BADTYPE;
if (cnid_delete(vol->v_cdb, fileid)) {
switch (errno) {
case EROFS:
return AFPERR_VLOCK;
case EPERM:
case EACCES:
return AFPERR_ACCESS;
default:
return AFPERR_PARAM;
}
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "end afp_deleteid:");
#endif /* DEBUG */
return err;
}
/* ------------------------------ */
static struct adouble *find_adouble(struct path *path, struct ofork **of, struct adouble *adp)
{
int ret;
if (path->st_errno) {
switch (path->st_errno) {
case ENOENT:
afp_errno = AFPERR_NOID;
break;
case EPERM:
case EACCES:
afp_errno = AFPERR_ACCESS;
break;
default:
afp_errno = AFPERR_PARAM;
break;
}
return NULL;
}
/* we use file_access both for legacy Mac perm and
* for unix privilege, rename will take care of folder perms
*/
if (file_access(path, OPENACC_WR ) < 0) {
afp_errno = AFPERR_ACCESS;
return NULL;
}
if ((*of = of_findname(path))) {
/* reuse struct adouble so it won't break locks */
adp = (*of)->of_ad;
}
else {
ret = ad_open( path->u_name, ADFLAGS_HF, O_RDONLY, 0, adp);
if ( !ret && ad_hfileno(adp) != -1 && !(adp->ad_hf.adf_flags & ( O_RDWR | O_WRONLY))) {
/* from AFP spec.
* The user must have the Read & Write privilege for both files in order to use this command.
*/
ad_close(adp, ADFLAGS_HF);
afp_errno = AFPERR_ACCESS;
return NULL;
}
}
return adp;
}
#define APPLETEMP ".AppleTempXXXXXX"
int afp_exchangefiles(obj, ibuf, ibuflen, rbuf, rbuflen )
AFPObj *obj;
char *ibuf, *rbuf;
int ibuflen, *rbuflen;
{
struct stat srcst, destst;
struct vol *vol;
struct dir *dir, *sdir;
char *spath, temp[17], *p;
char *supath, *upath;
struct path *path;
int err;
struct adouble ads;
struct adouble add;
struct adouble *adsp = NULL;
struct adouble *addp = NULL;
struct ofork *s_of = NULL;
struct ofork *d_of = NULL;
int crossdev;
int slen, dlen;
u_int32_t sid, did;
u_int16_t vid;
uid_t uid;
gid_t gid;
#ifdef DEBUG
LOG(log_info, logtype_afpd, "begin afp_exchangefiles:");
#endif /* DEBUG */
*rbuflen = 0;
ibuf += 2;
memcpy(&vid, ibuf, sizeof(vid));
ibuf += sizeof(vid);
if (NULL == ( vol = getvolbyvid( vid )) ) {
return( AFPERR_PARAM);
}
if ((vol->v_flags & AFPVOL_RO))
return AFPERR_VLOCK;
/* source and destination dids */
memcpy(&sid, ibuf, sizeof(sid));
ibuf += sizeof(sid);
memcpy(&did, ibuf, sizeof(did));
ibuf += sizeof(did);
/* source file */
if (NULL == (dir = dirlookup( vol, sid )) ) {
return afp_errno; /* was AFPERR_PARAM */
}
if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
return get_afp_errno(AFPERR_NOOBJ);
}
if ( path_isadir(path) ) {
return AFPERR_BADTYPE; /* it's a dir */
}
/* save some stuff */
srcst = path->st;
sdir = curdir;
spath = obj->oldtmp;
supath = obj->newtmp;
strcpy(spath, path->m_name);
strcpy(supath, path->u_name); /* this is for the cnid changing */
p = absupath( vol, sdir, supath);
if (!p) {
/* pathname too long */
return AFPERR_PARAM ;
}
ad_init(&ads, vol->v_adouble, vol->v_ad_options);
if (!(adsp = find_adouble( path, &s_of, &ads))) {
return afp_errno;
}
/* ***** from here we may have resource fork open **** */
/* look for the source cnid. if it doesn't exist, don't worry about
* it. */
sid = cnid_lookup(vol->v_cdb, &srcst, sdir->d_did, supath,slen = strlen(supath));
if (NULL == ( dir = dirlookup( vol, did )) ) {
err = afp_errno; /* was AFPERR_PARAM */
goto err_exchangefile;
}
if (NULL == ( path = cname( vol, dir, &ibuf )) ) {
err = get_afp_errno(AFPERR_NOOBJ);
goto err_exchangefile;
}
if ( path_isadir(path) ) {
err = AFPERR_BADTYPE;
goto err_exchangefile;
}
/* FPExchangeFiles is the only call that can return the SameObj
* error */
if ((curdir == sdir) && strcmp(spath, path->m_name) == 0) {
err = AFPERR_SAMEOBJ;
goto err_exchangefile;
}
ad_init(&add, vol->v_adouble, vol->v_ad_options);
if (!(addp = find_adouble( path, &d_of, &add))) {
err = afp_errno;
goto err_exchangefile;
}
destst = path->st;
/* they are not on the same device and at least one is open
* FIXME broken for for crossdev and adouble v2
* return an error
*/
crossdev = (srcst.st_dev != destst.st_dev);
if (/* (d_of || s_of) && */ crossdev) {
err = AFPERR_MISC;
goto err_exchangefile;
}
/* look for destination id. */
upath = path->u_name;
did = cnid_lookup(vol->v_cdb, &destst, curdir->d_did, upath, dlen = strlen(upath));
/* construct a temp name.
* NOTE: the temp file will be in the dest file's directory. it
* will also be inaccessible from AFP. */
memcpy(temp, APPLETEMP, sizeof(APPLETEMP));
if (!mktemp(temp)) {
err = AFPERR_MISC;
goto err_exchangefile;
}
if (crossdev) {
/* FIXME we need to close fork for copy, both s_of and d_of are null */
ad_close(adsp, ADFLAGS_HF);
ad_close(addp, ADFLAGS_HF);
}
/* now, quickly rename the file. we error if we can't. */
if ((err = renamefile(vol, p, temp, temp, adsp)) != AFP_OK)
goto err_exchangefile;
of_rename(vol, s_of, sdir, spath, curdir, temp);
/* rename destination to source */
if ((err = renamefile(vol, upath, p, spath, addp)) != AFP_OK)
goto err_src_to_tmp;
of_rename(vol, d_of, curdir, path->m_name, sdir, spath);
/* rename temp to destination */
if ((err = renamefile(vol, temp, upath, path->m_name, adsp)) != AFP_OK)
goto err_dest_to_src;
of_rename(vol, s_of, curdir, temp, curdir, path->m_name);
/* id's need switching. src -> dest and dest -> src.
* we need to re-stat() if it was a cross device copy.
*/
if (sid) {
cnid_delete(vol->v_cdb, sid);
}
if (did) {
cnid_delete(vol->v_cdb, did);
}
if ((did && ( (crossdev && stat( upath, &srcst) < 0) ||
cnid_update(vol->v_cdb, did, &srcst, curdir->d_did,upath, dlen) < 0))
||
(sid && ( (crossdev && stat(p, &destst) < 0) ||
cnid_update(vol->v_cdb, sid, &destst, sdir->d_did,supath, slen) < 0))
) {
switch (errno) {
case EPERM:
case EACCES:
err = AFPERR_ACCESS;
break;
default:
err = AFPERR_PARAM;
}
goto err_temp_to_dest;
}
/* here we need to reopen if crossdev */
if (sid && ad_setid(addp, destst.st_dev, destst.st_ino, sid, sdir->d_did, vol->v_stamp))
{
ad_flush( addp, ADFLAGS_HF );
}
if (did && ad_setid(adsp, srcst.st_dev, srcst.st_ino, did, curdir->d_did, vol->v_stamp))
{
ad_flush( adsp, ADFLAGS_HF );
}
/* change perms, src gets dest perm and vice versa */
uid = geteuid();
gid = getegid();
if (seteuid(0)) {
LOG(log_error, logtype_afpd, "seteuid failed %s", strerror(errno));
err = AFP_OK; /* ignore error */
goto err_temp_to_dest;
}
/*
* we need to exchange ACL entries as well
*/
/* exchange_acls(vol, p, upath); */
path->st = srcst;
path->st_valid = 1;
path->st_errno = 0;
path->m_name = NULL;
path->u_name = upath;
setfilunixmode(vol, path, destst.st_mode);
setfilowner(vol, destst.st_uid, destst.st_gid, path);
path->st = destst;
path->st_valid = 1;
path->st_errno = 0;
path->u_name = p;
setfilunixmode(vol, path, srcst.st_mode);
setfilowner(vol, srcst.st_uid, srcst.st_gid, path);
if ( setegid(gid) < 0 || seteuid(uid) < 0) {
LOG(log_error, logtype_afpd, "can't seteuid back %s", strerror(errno));
exit(EXITERR_SYS);
}
#ifdef DEBUG
LOG(log_info, logtype_afpd, "ending afp_exchangefiles:");
#endif /* DEBUG */
err = AFP_OK;
goto err_exchangefile;
/* all this stuff is so that we can unwind a failed operation
* properly. */
err_temp_to_dest:
/* rename dest to temp */
renamefile(vol, upath, temp, temp, adsp);
of_rename(vol, s_of, curdir, upath, curdir, temp);
err_dest_to_src:
/* rename source back to dest */
renamefile(vol, p, upath, path->m_name, addp);
of_rename(vol, d_of, sdir, spath, curdir, path->m_name);
err_src_to_tmp:
/* rename temp back to source */
renamefile(vol, temp, p, spath, adsp);
of_rename(vol, s_of, curdir, temp, sdir, spath);
err_exchangefile:
if ( !s_of && adsp && ad_hfileno(adsp) != -1 ) {
ad_close(adsp, ADFLAGS_HF);
}
if ( !d_of && addp && ad_hfileno(addp) != -1 ) {
ad_close(addp, ADFLAGS_HF);
}
return err;
}
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